Leaded Inductors

Leaded inductors are components with through hole features and leads attached concentrically to the opposite ends of the inductor cores. They act as resistors to changes in currents and absorb EMI (electromagnetic interference) which could affect the status of electrical circuits in devices.

Leaded inductors are composed of coils wrapped around magnetic cores and store energy in the form of a magnetic field.

What are leaded inductors used for?

They are used to suppress asymmetrical interferences in low-voltage and high-voltage circuits.

With low voltages, they act as continuous circuits to keep the current flowing if there are interferences. With high voltages, they are able to prevent current from flowing due to their high resistance, thus are used to protect the circuit from voltage spikes.

Types of leaded inductors

Leaded inductors come in two main categories:

  • VHF (very high frequency) versions are used for line voltage applications to block or filter EMI in small applications or for decoupling in telecom and entertainment electronics.
  • RF (radio frequency) versions are used in low-frequency applications of signal and control circuits and are designed to block radio frequencies while allowing audio signals to be transmitted.

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Description Price Inductance Maximum DC Current Mounting Type Maximum DC Resistance Tolerance Diameter Length Depth Height Dimensions Core Material Maximum Self Resonant Frequency Lead Pitch Series
RS Stock No. 750-0743
Mfr. Part No.ELC18B3R3L
BrandPanasonic
$3.444
Each (In a Bag of 5)
units
3.3 μH 8.5A Radial 10mΩ ±20% 18mm - - 27mm 18 (Dia.) x 27mm Ferrite - 7.5mm ELC18B
RS Stock No. 110-1314
Mfr. Part No.ELC18B220L
BrandPanasonic
$1.94
Each (In a Bag of 500)
units
22 μH 5.4A Radial 25mΩ ±10% - 20mm 18mm 27mm 20 x 18 x 27mm Ferrite - 7.5mm ELC18B
RS Stock No. 166-6931
Mfr. Part No.ELC18B3R3L
BrandPanasonic
$1.748
Each (In a Bag of 500)
units
3.3 μH 8.5A Radial 10mΩ ±20% 18mm - - 27mm 18 (Dia.) x 27mm Ferrite - 7.5mm ELC18B
RS Stock No. 233-5370
Mfr. Part No.ELC18B220L
BrandPanasonic
$4.20
Each
units
22 μH 5.4A Radial 25mΩ ±10% - 20mm 18mm 27mm 20 x 18 x 27mm Ferrite - 7.5mm ELC18B
RS Stock No. 233-5415
Mfr. Part No.ELC18B221L
BrandPanasonic
$4.51
Each
units
220 μH 2.4A Radial 90mΩ ±10% - 20mm 18mm 27mm 20 x 18 x 27mm Ferrite - 7.5mm ELC18B
RS Stock No. 110-1373
Mfr. Part No.ELC11D471F
BrandPanasonic
$0.647
Each (In a Bag of 500)
units
470 μH 820mA Radial 490mΩ ±10% 11.5mm - - 13.9mm 11.5 (Dia.) x 13.9mm Ferrite - 5mm ELC11D
RS Stock No. 675-5431
Mfr. Part No.ELC11D471F
BrandPanasonic
$1.56
Each (In a Pack of 5)
units
470 μH 820mA Radial 490mΩ ±10% 11.5mm - - 13.9mm 11.5 (Dia.) x 13.9mm Ferrite - 5mm ELC11D
RS Stock No. 540-8651
Mfr. Part No.ELC09D151F
BrandPanasonic
$1.13
Each (In a Pack of 5)
units
150 μH 740mA Radial 320mΩ ±10% 9.5mm - - 8.9mm 9.5 (Dia.) x 8.9mm Ferrite - 5mm ELC09D
RS Stock No. 110-1755
Mfr. Part No.ELC16B120L
BrandPanasonic
$1.007
Each (In a Bag of 500)
units
12 μH 5.5A Radial 23mΩ ±20% - 16mm - 23mm - Ferrite - 7.5mm ELC16B
RS Stock No. 110-1317
Mfr. Part No.ELC18B221L
BrandPanasonic
$1.88
Each (In a Bag of 500)
units
220 μH 2.4A Radial 90mΩ ±10% - 20mm 18mm 27mm 20 x 18 x 27mm Ferrite - 7.5mm ELC18B
RS Stock No. 675-5510
Mfr. Part No.ELC16B120L
BrandPanasonic
$2.552
Each (In a Pack of 5)
units
12 μH 5.5A Radial 23mΩ ±20% - 16mm - 23mm - Ferrite - 7.5mm ELC16B
RS Stock No. 920-7017
Mfr. Part No.ELC09D151F
BrandPanasonic
$0.504
Each (In a Bag of 500)
units
150 μH 740mA Radial 320mΩ ±10% 9.5mm - - 8.9mm 9.5 (Dia.) x 8.9mm Ferrite - 5mm ELC09D
RS Stock No. 540-8572
Mfr. Part No.ELC09D330F
BrandPanasonic
$1.174
Each (In a Pack of 5)
units
33 μH 1.4A Radial 81mΩ ±10% 9.5mm - - 8.9mm 9.5 (Dia.) x 8.9mm Ferrite - 5mm ELC09D
RS Stock No. 675-5548
Mfr. Part No.ELC16B680L
BrandPanasonic
$2.352
Each (In a Pack of 5)
units
68 μH 3.2A Radial 57mΩ ±10% - 16mm - 23mm - Ferrite - 7.5mm ELC16B
RS Stock No. 233-5162
Mfr. Part No.ELC08D390E
BrandPanasonic
$2.53
Each (In a Pack of 5)
units
39 μH 1.3A Radial 52mΩ ±10% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 233-5487
Mfr. Part No.ELC18B103L
BrandPanasonic
$4.51
Each
units
10 mH 360mA Radial 3.9Ω ±10% - 20mm 18mm 27mm 20 x 18 x 27mm Ferrite - 7.5mm ELC18B
RS Stock No. 110-1299
Mfr. Part No.ELC08D390E
BrandPanasonic
$0.427
Each (In a Bag of 1000)
units
39 μH 1.3A Radial 52mΩ ±10% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 540-8724
Mfr. Part No.ELC09D471F
BrandPanasonic
$1.13
Each (In a Pack of 5)
units
470 μH 390mA Radial 980mΩ ±10% 9.5mm - - 8.9mm 9.5 (Dia.) x 8.9mm Ferrite - 5mm ELC09D
RS Stock No. 675-5220
Mfr. Part No.ELC10D102E
BrandPanasonic
$1.59
Each (In a Pack of 5)
units
1 mH 500mA Radial ±10% - 13mm 10mm 15mm 13 x 10 x 15mm - - 5mm ELC10D
RS Stock No. 920-7023
Mfr. Part No.ELC09D471F
BrandPanasonic
$0.456
Each (In a Bag of 500)
units
470 μH 390mA Radial 980mΩ ±10% 9.5mm - - 8.9mm 9.5 (Dia.) x 8.9mm Ferrite - 5mm ELC09D